diff --git a/tools/firmware-utils/src/srec2bin.c b/tools/firmware-utils/src/srec2bin.c
index 0eb8b2023a1e5c054587ff7587c5aa3e4517ea19..1cffbaed969ee5bc205c79a21628e6246f77ef0d 100644
--- a/tools/firmware-utils/src/srec2bin.c
+++ b/tools/firmware-utils/src/srec2bin.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <ctype.h>
+#include <string.h>
 
 //Rev 0.1 Original
 // 8 Jan 2001  MJH  Added code to write data to Binary file